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C# - Get Substring from a String
Given a string and we have to get the substring of N characters.
[Last updated : March 20, 2023]
To get a substring from the given string, we use String.Substring() method.
Example
Input string is "India is great country" and we want to extract the substring (5 characters ) from 9th index, which will be "great".
String.Substring()
The String.Substring() method returns the given number of characters (length) from given starting position (index).
Syntax
String String.Substring(int index, int length );
Parameter(s)
- index – is the starting indexing from where you want to extract the substring (indexing starts from 0).
- length – is the total number of characters to be extracted.
Return Type
String – method will return the length characters from index (substring), which will be the result.
C# program to get substring from a string
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1 {
class Program {
static void Main() {
String str1;
String str2;
Console.Write("Enter string : ");
str1 = Console.ReadLine();
str2 = str1.Substring(9, 5);
Console.WriteLine("Sub string is: " + str2);
}
}
}
Output
Enter string : India is great country.
Sub string is: great
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